Add some basic tests of rev-list --pretty=format

diff --git a/git-bisect.sh b/git-bisect.sh
index 936b4a4b835e51410ccfbb37f4205accbade4422..57d6754d34cf711804c7d0189a55a18e47ba5b8a 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -173,7 +173,7 @@ bisect_reset() {
           else
               branch=master
           fi ;;
-       1) test -f "$GIT_DIR/refs/heads/$1" || {
+       1) git-show-ref --verify --quiet -- "refs/heads/$1" || {
               echo >&2 "$1 does not seem to be a valid branch"
               exit 1
           }
@@ -223,6 +223,14 @@ bisect_replay () {
 }
 
 bisect_run () {
+    # Check that we have everything to run correctly.
+    test -d "$GIT_DIR/refs/bisect" || {
+       echo >&2 'You need to start by "git bisect start".'
+       echo >&2 'And then by "git bisect bad" and "git bisect good".'
+       exit 1
+    }
+    bisect_next_check fail
+
     while true
     do
       echo "running $@"